# How to add tags to link Siemens(s71500) DB tags manually

**URL:** <https://forum.inductiveautomation.com/t/how-to-add-tags-to-link-siemens-s71500-db-tags-manually/12364>\
**Category:** Ignition\
**Created:** [November 16, 2016, 7:54am UTC](https://forum.inductiveautomation.com/t/how-to-add-tags-to-link-siemens-s71500-db-tags-manually/12364 "2016-11-16T07:54:19Z")\
**Posts on this page:** 7\
**Page:** 1

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**Author:** ![win](https://avatars.discourse-cdn.com/v4/letter/w/65b543/32.png) [@win](https://forum.inductiveautomation.com/u/win)\
**Post date:** [November 16, 2016, 7:54am UTC](https://forum.inductiveautomation.com/t/how-to-add-tags-to-link-siemens-s71500-db-tags-manually/12364/1 "2016-11-16T07:54:19Z")

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Hi,

i added s71500 device to ignition,and showed me status is connected. then opened ignition designer to add tags. i am confused about OPC ITEM PATH, what exactly does it mean? could you show me an example on adding tags which link I,Q,M,T,DB

Many thanks,

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**Author:** ![win](https://avatars.discourse-cdn.com/v4/letter/w/65b543/32.png) [@win](https://forum.inductiveautomation.com/u/win)\
**Post date:** [November 17, 2016, 7:53am UTC](https://forum.inductiveautomation.com/t/how-to-add-tags-to-link-siemens-s71500-db-tags-manually/12364/2 "2016-11-17T07:53:24Z")

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Attached pictures, please have a look.

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**Author:** ![pturmel](https://sea1.discourse-cdn.com/inductiveautomation/user_avatar/forum.inductiveautomation.com/pturmel/32/3295_2.png) [@pturmel](https://forum.inductiveautomation.com/u/pturmel)\
**Post date:** [November 17, 2016, 12:39pm UTC](https://forum.inductiveautomation.com/t/how-to-add-tags-to-link-siemens-s71500-db-tags-manually/12364/3 "2016-11-17T12:39:09Z")

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The item path needs to have the driver name in square brackets before the rest of the data address. Like so:`[S71500]MX0.0`

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**Author:** ![win](https://avatars.discourse-cdn.com/v4/letter/w/65b543/32.png) [@win](https://forum.inductiveautomation.com/u/win)\
**Post date:** [November 18, 2016, 2:11am UTC](https://forum.inductiveautomation.com/t/how-to-add-tags-to-link-siemens-s71500-db-tags-manually/12364/4 "2016-11-18T02:11:00Z")

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Thanks, i modified the item path, but still not connected and quality is unknown.  
please see attached picture.

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**Author:** ![pturmel](https://sea1.discourse-cdn.com/inductiveautomation/user_avatar/forum.inductiveautomation.com/pturmel/32/3295_2.png) [@pturmel](https://forum.inductiveautomation.com/u/pturmel)\
**Post date:** [November 18, 2016, 3:07am UTC](https://forum.inductiveautomation.com/t/how-to-add-tags-to-link-siemens-s71500-db-tags-manually/12364/5 "2016-11-18T03:07:48Z")

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Not sure. Sounds like one of the communications restrictions you have to relax in the S7 processor. I’ll let one of the Siemens fans take it from here. (-:

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**Author:** ![zxcslo](https://sea1.discourse-cdn.com/inductiveautomation/user_avatar/forum.inductiveautomation.com/zxcslo/32/61610_2.png) [@zxcslo](https://forum.inductiveautomation.com/u/zxcslo)\
**Post date:** [November 18, 2016, 6:21pm UTC](https://forum.inductiveautomation.com/t/how-to-add-tags-to-link-siemens-s71500-db-tags-manually/12364/6 "2016-11-18T18:21:55Z")

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@win Check this:

[https://support.inductiveautomation.com/index.php?/Knowledgebase/Article/View/29/0/connecting-to-siemens-s7-1200-and-s7-1500](https://support.inductiveautomation.com/index.php?/Knowledgebase/Article/View/29/0/connecting-to-siemens-s7-1200-and-s7-1500)

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<div class="post-metadata">

**Author:** ![win](https://avatars.discourse-cdn.com/v4/letter/w/65b543/32.png) [@win](https://forum.inductiveautomation.com/u/win)\
**Post date:** [November 21, 2016, 2:09am UTC](https://forum.inductiveautomation.com/t/how-to-add-tags-to-link-siemens-s71500-db-tags-manually/12364/7 "2016-11-21T02:09:30Z")

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Thanks guys! i got it. i did not set connection mechanism. 😃